425716803851 has 2 divisors, whose sum is σ = 425716803852. Its totient is φ = 425716803850.

The previous prime is 425716803803. The next prime is 425716803857. The reversal of 425716803851 is 158308617524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425716803851 - 2¹⁰ = 425716802827 is a prime.

It is a super-2 number, since 2×425716803851² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425716803851.

It is not a weakly prime, because it can be changed into another prime (425716803857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212858401925 + 212858401926.

It is an arithmetic number, because the mean of its divisors is an integer number (212858401926).

Almost surely, 2^425716803851 is an apocalyptic number.

425716803851 is a deficient number, since it is larger than the sum of its proper divisors (1).

425716803851 is an equidigital number, since it uses as much as digits as its factorization.

425716803851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 425716803851 in words is "four hundred twenty-five billion, seven hundred sixteen million, eight hundred three thousand, eight hundred fifty-one".